package Operation;

import Book.Book;
import Book.BookList;

import java.util.Scanner;

public class DelOperation implements IOperation {
    public void work(BookList bookList){
        System.out.println("删除图书");
        System.out.println("请输入你要删除的图书");
        Scanner scanner=new Scanner(System.in);
        String name=scanner.nextLine();
        int currentSize= bookList.getUsedSize();
        int i = 0;
        for (; i <currentSize; i++) {
            Book book=bookList.getBook(i);
            if(name.equals(book.getName())){
                System.out.println("找到了这本书");
                break;
            }
        }
        for (int j = i; j < currentSize-1; j++) {
            Book book=bookList.getBook(j+1);
            bookList.setBook(j,book);
        }
        bookList.setUsedSize(currentSize-1);
        System.out.println("删除成功...");
    }
}
